Basic-HTML-editor/HTML-EDITOR.html at main · LavedenC1/Basic-HTML-editor · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
</head>
<body>
<!DOCTYPE HTML>
<html>
<head>
</head>
<body style="height: 100vh; margin: 0;"> <!-- Set height of body to 100% of viewport height -->
  <button onclick="encodeToData();">Run</button>
  <button onclick="openNewTab();">Run In New Tab</button>
  <button onclick="formatCode();">Format Code</button>
  <button onclick="saveToLocalStorage();">Quick Save</button>
  <button onclick="loadFromLocalStorage();">Quick Load</button>
  <button onclick="slotToLocal();">Save to Slot</button>
  <button onclick="slotFromLocal();">Load from Slot</button>
  <button onclick="deleteSlot();">Delete Slot</button>
  <button onclick="listSlots();">List slots</button>
  <button onclick="copyDATA();">Copy data: URL</button>
  <button onclick="downloadCode();">Download Code</button>
  <button onclick="resetSlotList();">Reset Slot List</button>
  <textarea id="code" spellcheck="false" style="width: 100vw; resize: vertical; height: 100px;" onkeydown="handleTab(event)"></textarea>
  <iframe src="" id="frame" style="width: 100vw; height: 50%;"></iframe> <!-- Set height in percentage -->
</body>
<script>

function updateIframeHeight() {
  var textareaHeight = document.getElementById('code').scrollHeight;
  var buttonHeight = document.getElementsByTagName('button')[0].offsetHeight; // Assuming all buttons have the same height
  var buttonPadding = 10; // Adjust this value according to your button padding
  var windowHeight = window.innerHeight;
  var windowWidth = window.innerWidth;
  var textareaPadding = 20; // Adjust this value according to your padding
  var totalHeight = textareaHeight + buttonHeight + buttonPadding + textareaPadding;
  var remainingHeight = windowHeight - totalHeight;
  var minIframeHeight = 100; // Minimum height for the iframe
  var iframeHeight = Math.max(remainingHeight, minIframeHeight);
  document.getElementById('frame').style.height = iframeHeight + "px";
  document.getElementById('frame').style.width = windowWidth + "px";
}

function openNewTab() {
  var frameCode = document.getElementById("code").value;
  var encodedCode = encodeURIComponent(frameCode);
  var dataURL = "data:text/html;charset=utf-8," + encodedCode;
  window.open(dataURL, "_blank")
}

function slotToLocal() {
  var code = document.getElementById("code").value;
  var slot = prompt("Enter the slot name (It will be your load code for advancedLoad)","my_project")
  var new_slot = "my_htmledit_" + slot
  localStorage.setItem(new_slot, code);

  // Update slot list
  var slotList = JSON.parse(localStorage.getItem("slotList")) || [];
  slotList.push(slot);
  localStorage.setItem("slotList", JSON.stringify(slotList));
  localStorage.setItem("prevSlot", slot);
  alert("Saved into slot " + slot);
}

function slotFromLocal() {
  var slot = prompt("Enter your slot name (What you put in for the save code)",localStorage.getItem("prevSlot"))
  var new_slot = "my_htmledit_" + slot
  var savedCode = localStorage.getItem(new_slot);
  if (savedCode !== null) {
    document.getElementById("code").value = savedCode;
    alert("Loaded from slot " + slot)
  } else {
    alert("Slot not found");
  }
}

function deleteSlot() {
  var slot = prompt("Slot to delete","my_project")
  var new_slot = "my_htmledit_" + slot
  localStorage.removeItem(new_slot);

  // Update slot list
  var slotList = JSON.parse(localStorage.getItem("slotList")) || [];
  var index = slotList.indexOf(slot);
  if (index !== -1) {
    slotList.splice(index, 1);
    localStorage.setItem("slotList", JSON.stringify(slotList));
    alert("Deleted slot " + slot);
  } else {
    alert("Slot not found");
  }
}

function listSlots(){
  var slotList = JSON.parse(localStorage.getItem("slotList")) || [];
  alert(slotList.join(", "));
}

function saveToLocalStorage() {
  var code = document.getElementById("code").value;
  localStorage.setItem("savedCode", code);
  alert("Saved!")
}

function loadFromLocalStorage() {
  var savedCode = localStorage.getItem("savedCode");
  if (savedCode !== null) {
    document.getElementById("code").value = savedCode;
    alert("Loaded!")
  }
}

function encodeToData() {
  var frameCode = document.getElementById("code").value;
  var encodedCode = encodeURIComponent(frameCode);
  var dataURL = "data:text/html;charset=utf-8," + encodedCode;
  document.getElementById('frame').src = dataURL;
}

function copyDATA() {
  var frameCode = document.getElementById("code").value;
  var encodedCode = encodeURIComponent(frameCode);
  var dataURL = "data:text/html;charset=utf-8," + encodedCode;
  navigator.clipboard.writeText(dataURL)
}

function resetSlotList(){
  var ver = prompt("Are you sure? Type in 'yes' to accept, anything else for no.", "No");
  if (ver === "yes"){
    localStorage.setItem("slotList", JSON.stringify([]));
    alert("Success");
  }
  else{
    alert("Aborted");
  }
}

function formatCode() {
  var codeTextArea = document.getElementById('code');
  var unformattedCode = codeTextArea.value;

  // Split code into lines
  var lines = unformattedCode.split('\n');

  // Indentation variables
  var indentation = 0;
  var indentString = '  '; // Two spaces for each level of indentation

  // Regular expression patterns for detecting opening and closing tags
  var openTagPattern = /<[^\/>][^>]*>/;
  var closeTagPattern = /<\/[^>]+>/;

  // Formatted code string
  var formattedCode = '';

  // Iterate over each line of the code
  lines.forEach(function(line) {
    // Trim leading and trailing whitespace
    line = line.trim();

    // Check if the line contains an opening or closing tag
    var isOpenTag = openTagPattern.test(line);
    var isCloseTag = closeTagPattern.test(line);

    // Adjust indentation based on the tag type
    if (isCloseTag) {
      indentation--;
    }

    // Add indentation
    for (var i = 0; i < indentation; i++) {
      formattedCode += indentString;
    }

    // Add the line to the formatted code string
    formattedCode += line + '\n';

    // Adjust indentation for the next line
    if (isOpenTag && !isCloseTag) {
      indentation++;
    }
  });

  // Update the content of the textarea with the formatted code
  codeTextArea.value = formattedCode;
}


function downloadCode() {
  var code = document.getElementById("code").value;
  var blob = new Blob([code], { type: "text/html" });
  var url = URL.createObjectURL(blob);

  var a = document.createElement("a");
  a.href = url;
  a.download = prompt("File Name (without extension)", "code") + ".html";
  document.body.appendChild(a);
  a.click();

  document.body.removeChild(a);
  URL.revokeObjectURL(url);
}

function handleTab(event) {
  if (event.keyCode === 9) { // Tab key
    event.preventDefault();
    var textarea = event.target;
    var start = textarea.selectionStart;
    var end = textarea.selectionEnd;
    var tab = "  "; // Two spaces for indentation
    var content = textarea.value;
    textarea.value = content.substring(0, start) + tab + content.substring(end);
    textarea.setSelectionRange(start + tab.length, start + tab.length);
  }
}

document.addEventListener("keydown", function(event) {
  if (event.ctrlKey && event.key === 's') {
    event.preventDefault(); // Prevent default browser save action
    saveToLocalStorage(); // Call your save function
  }
});

document.addEventListener("keydown", function(event) {
  if (event.ctrlKey && event.key === 'l') {
    event.preventDefault(); // Prevent default browser save action
    loadFromLocalStorage(); // Call your save function
  }
});


document.addEventListener("keydown", function(event) {
  if (event.ctrlKey && event.key === 'r') {
    event.preventDefault(); // Prevent default browser save action
    encodeToData();
  }
});


setInterval(function(){updateIframeHeight()}, 10);
</script>
</html>